US4856776A - Coil spring exerciser - Google Patents

Coil spring exerciser Download PDF

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Publication number
US4856776A
US4856776A US07/140,228 US14022887A US4856776A US 4856776 A US4856776 A US 4856776A US 14022887 A US14022887 A US 14022887A US 4856776 A US4856776 A US 4856776A
Authority
US
United States
Prior art keywords
coil spring
internal
external
internal coil
dyna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US07/140,228
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English (en)
Inventor
Liu Ching-Liang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US07/140,228 priority Critical patent/US4856776A/en
Priority to GB8828771A priority patent/GB2214072B/en
Priority to DE3843070A priority patent/DE3843070A1/de
Application granted granted Critical
Publication of US4856776A publication Critical patent/US4856776A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/045—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters having torsion or bending or flexion element
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/0004—Exercising devices moving as a whole during exercise
    • A63B21/00043—Exercising devices consisting of a pair of user interfaces connected by flexible elements, e.g. two handles connected by elastic bands
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4035—Handles, pedals, bars or platforms for operation by hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/023—Wound springs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
    • A63B21/4043—Free movement, i.e. the only restriction coming from the resistance
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
    • A63B21/4047—Pivoting movement
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles

Definitions

  • This invention relates to a dyna-bender, and more particularly to one which has a minimum number of parts.
  • U.S. Pat. No. 4,489,937 disclosed a safety dyna-bender as shown in FIG. 1.
  • the safety dyna-bender has two handle pipes 11 and 12 for connecting two hollow grips 13 and 14 to two ends of a coil spring 10.
  • a center cord (not shown) interconnects the inner walls of the hollow grips 13 and 14 for effectively protecting the user against any unexpected accidents resulting from the breaking of the coil spring 10 during exercise.
  • cupshaped positioning anchors (not shown) are provided in the grips 13 and 14. These anchors complicate the dyna-bender thereby increasing its manufacturing cost.
  • the handle pipes 11 and 12, which are provided to interconnect the coil spring 10 and the grips 13 and 14, further increase its manufacturing cost.
  • the coil spring 10 has two distal ends A and B which are undesirably exposed to the exterior of the handle pipes 11 and 12. In addition t their unsightly outer appearance, the exposed ends A and B of the coil spring 10 sometimes injure the user.
  • the handle pipes 11 and 12 When the total length of the dyna-bender is fixed, if the handle pipes are provided, the length of the coil spring will be shortened, reducing the exercise effect.
  • U.S. Pat. No. 2,714,008 disclosed a dyna-bender shown in FIG. 2. It includes an external coil spring 15 and an internal coil spring 16 extending through the external coil spring 15. Although the internal coil spring 16 increases the exercise effect for the user, additional elements are needed to secure the ends of the internal coil spring 16 to the grips. In addition, the exposed ends of the coil spring and the handle pipes are still present.
  • Another object of this invention is to provide a safety dyna-bender which is of simple construction.
  • a dyna-bender includes an internal coil spring; an external coil spring, surrounding coaxially the internal coil spring, having an intermediate portion spaced from the internal coil spring at a predetermined distance, and two opposite end portions having diameter-reduced turns for being sleeved tightly on the internal coil spring; and two hollow plastic grips each having an open end which is heat pressed to sleeve tightly on one of the end portions of the external coil spring.
  • the distance between the internal coil spring and the intermediate portion of the external coil spring is selected so that it is difficult to contact said internal coil spring with the external coil spring during exercise, thereby minimizing the noise resulting from the friction therebetween.
  • FIG. 1 is an elevational view of a conventional dyna-bender
  • FIG. 2 is a schematic sectional view showing part of another conventional dyna-bender
  • FIG. 3 is a sectional view of a dyna-bender according to this invention.
  • FIG. 4 is a sectional view showing the dyna-bender of this invention when it is bent.
  • a dyna-bender of this invention includes an external coil spring 20 which surrounds a internal coil spring 21 in a coaxial relation.
  • the external coil spring 20 has an intermediate portion spaced from the internal coil spring 21, and two end portions having diameter-reduced turns for being sleeved tightly on the internal coil spring 21.
  • the external coil spring 20 and the internal coil spring 21 are the same length.
  • Each of the grips 22 and 23 is provided with a wrist ring 24, 25 on its outer end in a known manner.
  • the diameter of the internal coil spring 21 is only one fourth of that of the intermediate portion of the external coil spring 20 so that it is difficult to contact the external coil spring 20 with the internal coil spring 21 when the dyna-bender is bent, as shown in FIG. 4.
  • the noise resulting from the friction between the external coil spring 20 and the internal coil spring 21 is thus minimized.
  • the external and internal coil springs 20 and 21 facilitate the promotion of the exercise effect. Because the springs 20 and 21 are directly connected to the grips 22 and 23, the ratio of the length of the springs to the total length of the dyna-bender is increased in comparison with the aforementioned conventional dyna-benders, thereby further increasing the exercise effect. Even if one of the springs 20 or 21 is broken during exercise, the grips 22 and 23 will still be connected by the other of the springs 20 and 21.
  • the dyna-bender of this invention has a low manufacturing cost.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Springs (AREA)
  • Rehabilitation Tools (AREA)
  • Percussion Or Vibration Massage (AREA)
US07/140,228 1987-12-31 1987-12-31 Coil spring exerciser Expired - Fee Related US4856776A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US07/140,228 US4856776A (en) 1987-12-31 1987-12-31 Coil spring exerciser
GB8828771A GB2214072B (en) 1987-12-31 1988-12-09 Coil spring exerciser
DE3843070A DE3843070A1 (de) 1987-12-31 1988-12-21 Schraubenfederuebungsgeraet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/140,228 US4856776A (en) 1987-12-31 1987-12-31 Coil spring exerciser

Publications (1)

Publication Number Publication Date
US4856776A true US4856776A (en) 1989-08-15

Family

ID=22490297

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/140,228 Expired - Fee Related US4856776A (en) 1987-12-31 1987-12-31 Coil spring exerciser

Country Status (3)

Country Link
US (1) US4856776A (de)
DE (1) DE3843070A1 (de)
GB (1) GB2214072B (de)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046726A (en) * 1990-02-01 1991-09-10 Verimark Close Corporation Exerciser
EP0503823A2 (de) * 1991-03-15 1992-09-16 MIYAKE, Yoshinori Biegsame Wellen
US5246413A (en) * 1992-05-20 1993-09-21 Koblick Jeffrey M Exercise apparatus
US5254063A (en) * 1991-10-31 1993-10-19 House Jr Hugh A Barbell with eccentric weights
US5514055A (en) * 1994-11-09 1996-05-07 Elliott; Daniel K. Exercise and stress-relief device
US5846171A (en) * 1996-06-04 1998-12-08 Hollowell; Roger R. Competitive balance exercise game device and method of play
US5851167A (en) * 1997-05-21 1998-12-22 Li; Tianfu Exerciser
US6022302A (en) * 1998-05-08 2000-02-08 Stamina Products, Inc. Flexural exercise device
US20070105663A1 (en) * 2005-11-10 2007-05-10 Farnsworth Steven L Sports ball throwing and pitching training device
US20080064580A1 (en) * 2006-09-11 2008-03-13 Hollowell Roer R Exercise device and method of exercise using the same
US20080119300A1 (en) * 2006-11-21 2008-05-22 FAIRCHILD Douglas Golf exercise apparatus
US20090017931A1 (en) * 2007-07-13 2009-01-15 Kazuo Kurisu Golf swing training device
US7569003B1 (en) 2002-12-06 2009-08-04 Huffman Larry D Abdominal and body exercise device
US7766805B1 (en) 2009-04-28 2010-08-03 Horne Michael E Triceps exercise apparatus
US20130029811A1 (en) * 2011-07-27 2013-01-31 Lando Paul F Exercise device having adjustable resistance force
US20130331233A1 (en) * 2012-06-12 2013-12-12 Daniel Vaughan Wilson Exercise ring
US20150018132A1 (en) * 2013-07-09 2015-01-15 Brothers Innovative Solutions, LLC Training Device
US20150375034A1 (en) * 2014-06-25 2015-12-31 Thomas Joseph Babon Exercise apparatus and kit
US20160206918A1 (en) * 2012-06-29 2016-07-21 Richard Palmer Exercise device and method of using same
CN105879326A (zh) * 2016-06-17 2016-08-24 浙江百事特工贸有限公司 可调式臂力器
US20170080272A1 (en) * 2015-09-23 2017-03-23 LeCharles Bentley Exercise training device
US9610470B1 (en) * 2016-07-11 2017-04-04 Alon Eshet Resistance torque bar system
US20180036580A1 (en) * 2016-08-03 2018-02-08 Dyaco International Inc. Multi-function trainer
CN110917560A (zh) * 2019-12-11 2020-03-27 陈佳丽 一种具有自散热功能的臂力器
US10695604B2 (en) * 2017-07-12 2020-06-30 Porterfield Core Strengthening Device, LLC Exercise device
USD934964S1 (en) * 2020-10-21 2021-11-02 Mitch Moon Exercise apparatus
USD948644S1 (en) * 2019-07-10 2022-04-12 T.K. Chin Company Ltd. Exercise tension bar
US20220249895A1 (en) * 2021-02-11 2022-08-11 Charlyn Huss d'Anconia Spring exercise system and method of exercising

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004226A (en) * 1988-03-25 1991-04-02 Morrison Molded Fiber Glass Company Apparatus for exercise of the human body

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE124746C (de) *
GB189902587A (en) * 1899-02-04 1899-12-16 Walther Volkenrath Apparatus for Training and Strengthening the Muscles.
US743204A (en) * 1901-01-14 1903-11-03 Alfred Ernest Terry Exercising apparatus.
US992272A (en) * 1909-09-11 1911-05-16 Joseph Singer Body-exerciser.
DE352704C (de) * 1920-08-01 1922-05-02 Ernst Gottschall Federnd wirkende Huepfstelze
US1538845A (en) * 1923-03-21 1925-05-19 Mary Weimar Progressive exerciser
US2714008A (en) * 1953-06-05 1955-07-26 Anthony B Urban Exercisers
US3003764A (en) * 1958-10-09 1961-10-10 Yovanovitch Lazare Spring-loaded gymnastic handle
US3451675A (en) * 1966-09-14 1969-06-24 Ralph A Burzenski Spring type exercisers
US3552371A (en) * 1968-02-09 1971-01-05 Edward W Kahelin Baseball pitching machine
US4162063A (en) * 1976-01-15 1979-07-24 Nissen Corporation Adjustable springs for trampolines and the like
US4249729A (en) * 1979-12-17 1981-02-10 Pericles Gabrielidis Tennis exercise aid
US4328964A (en) * 1979-09-10 1982-05-11 Walls Thomas J Multi-sport exerciser
US4489937A (en) * 1982-08-13 1984-12-25 Kong Cathay G T Safety dyna-bender
US4651985A (en) * 1985-02-04 1987-03-24 Salisbury William F Exercise device

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE124746C (de) *
GB189902587A (en) * 1899-02-04 1899-12-16 Walther Volkenrath Apparatus for Training and Strengthening the Muscles.
US743204A (en) * 1901-01-14 1903-11-03 Alfred Ernest Terry Exercising apparatus.
US992272A (en) * 1909-09-11 1911-05-16 Joseph Singer Body-exerciser.
DE352704C (de) * 1920-08-01 1922-05-02 Ernst Gottschall Federnd wirkende Huepfstelze
US1538845A (en) * 1923-03-21 1925-05-19 Mary Weimar Progressive exerciser
US2714008A (en) * 1953-06-05 1955-07-26 Anthony B Urban Exercisers
US3003764A (en) * 1958-10-09 1961-10-10 Yovanovitch Lazare Spring-loaded gymnastic handle
US3451675A (en) * 1966-09-14 1969-06-24 Ralph A Burzenski Spring type exercisers
US3552371A (en) * 1968-02-09 1971-01-05 Edward W Kahelin Baseball pitching machine
US4162063A (en) * 1976-01-15 1979-07-24 Nissen Corporation Adjustable springs for trampolines and the like
US4328964A (en) * 1979-09-10 1982-05-11 Walls Thomas J Multi-sport exerciser
US4249729A (en) * 1979-12-17 1981-02-10 Pericles Gabrielidis Tennis exercise aid
US4489937A (en) * 1982-08-13 1984-12-25 Kong Cathay G T Safety dyna-bender
US4651985A (en) * 1985-02-04 1987-03-24 Salisbury William F Exercise device

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046726A (en) * 1990-02-01 1991-09-10 Verimark Close Corporation Exerciser
EP0503823A2 (de) * 1991-03-15 1992-09-16 MIYAKE, Yoshinori Biegsame Wellen
EP0503823A3 (en) * 1991-03-15 1993-03-10 Yoshinori Miyake Flexible shafts
US5254063A (en) * 1991-10-31 1993-10-19 House Jr Hugh A Barbell with eccentric weights
US5246413A (en) * 1992-05-20 1993-09-21 Koblick Jeffrey M Exercise apparatus
US5514055A (en) * 1994-11-09 1996-05-07 Elliott; Daniel K. Exercise and stress-relief device
US5846171A (en) * 1996-06-04 1998-12-08 Hollowell; Roger R. Competitive balance exercise game device and method of play
US5851167A (en) * 1997-05-21 1998-12-22 Li; Tianfu Exerciser
US6022302A (en) * 1998-05-08 2000-02-08 Stamina Products, Inc. Flexural exercise device
US7569003B1 (en) 2002-12-06 2009-08-04 Huffman Larry D Abdominal and body exercise device
US20070105663A1 (en) * 2005-11-10 2007-05-10 Farnsworth Steven L Sports ball throwing and pitching training device
US20080064580A1 (en) * 2006-09-11 2008-03-13 Hollowell Roer R Exercise device and method of exercise using the same
US20080119300A1 (en) * 2006-11-21 2008-05-22 FAIRCHILD Douglas Golf exercise apparatus
US20090017931A1 (en) * 2007-07-13 2009-01-15 Kazuo Kurisu Golf swing training device
US7766805B1 (en) 2009-04-28 2010-08-03 Horne Michael E Triceps exercise apparatus
US20130029811A1 (en) * 2011-07-27 2013-01-31 Lando Paul F Exercise device having adjustable resistance force
US8777821B2 (en) * 2011-07-27 2014-07-15 Paul F Lando Exercise device having adjustable resistance force
US20130331233A1 (en) * 2012-06-12 2013-12-12 Daniel Vaughan Wilson Exercise ring
US9039574B2 (en) * 2012-06-12 2015-05-26 Daniel Vaughan Wilson Exercise ring
US20160206918A1 (en) * 2012-06-29 2016-07-21 Richard Palmer Exercise device and method of using same
US10039955B2 (en) * 2012-06-29 2018-08-07 Richard Palmer Exercise device and method of using same
US20150018132A1 (en) * 2013-07-09 2015-01-15 Brothers Innovative Solutions, LLC Training Device
US9415286B2 (en) * 2013-07-09 2016-08-16 Brothers Innovative Solutions, LLC Training device
US9675836B2 (en) * 2014-06-25 2017-06-13 Thomas Babon Exercise apparatus and kit
US20150375034A1 (en) * 2014-06-25 2015-12-31 Thomas Joseph Babon Exercise apparatus and kit
US10220237B2 (en) * 2015-09-23 2019-03-05 LeCharles Bentley Exercise training device
US20170080272A1 (en) * 2015-09-23 2017-03-23 LeCharles Bentley Exercise training device
CN105879326A (zh) * 2016-06-17 2016-08-24 浙江百事特工贸有限公司 可调式臂力器
US9610470B1 (en) * 2016-07-11 2017-04-04 Alon Eshet Resistance torque bar system
US20180036580A1 (en) * 2016-08-03 2018-02-08 Dyaco International Inc. Multi-function trainer
US10039950B2 (en) * 2016-08-03 2018-08-07 Dyaco International Inc. Multi-function trainer
US10695604B2 (en) * 2017-07-12 2020-06-30 Porterfield Core Strengthening Device, LLC Exercise device
USD948644S1 (en) * 2019-07-10 2022-04-12 T.K. Chin Company Ltd. Exercise tension bar
USD948645S1 (en) 2019-07-10 2022-04-12 T.K. Chin Company Ltd. Exercise tension bar
CN110917560A (zh) * 2019-12-11 2020-03-27 陈佳丽 一种具有自散热功能的臂力器
USD934964S1 (en) * 2020-10-21 2021-11-02 Mitch Moon Exercise apparatus
US20220249895A1 (en) * 2021-02-11 2022-08-11 Charlyn Huss d'Anconia Spring exercise system and method of exercising
US11660488B2 (en) * 2021-02-11 2023-05-30 Charlyn Huss d'Anconia Spring exercise system and method of exercising

Also Published As

Publication number Publication date
GB2214072B (en) 1991-08-21
GB2214072A (en) 1989-08-31
GB8828771D0 (en) 1989-01-18
DE3843070A1 (de) 1989-07-13

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Effective date: 19930815

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Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362